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QuestionIn execution compression test for concrete, have to test cubes .Test cylinders be approved? AnswerEssentially, results of compression test carried out by using cubes are advanced than that by cylinders. In compression test, failure mode is in form of tensile splitting induced by uniaxial compression. Though, as concrete samples tend to enlarge laterally under compression, friction developed at concrete-machine interface generates forces which apparently increase compressive strength of concrete. Though, when ratio of height to width of sample increases, effect of shear on compressive strength becomes smaller. These explain why results of compression test by cylinders are lower than that of cubes.
Allowable Strength Design (ASD) Process: - Apply service loads with no load factors - Assume linear elastic analysis of structure - Calculated stresses shall not excee
Softening Point Test: The temperature at which bitumen softens is determined by the "Ring and Ball" test (Figure). (a) Diagram of Apparatus at Beginning of Test (b
tape correction
Cost-Volume-Profit and Break Even Analysis: Cost-volume-profit analysis helps us to learn the behaviour of cost and profit in response to varying level of business activity. I
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Q. What do you mean by M A S Accounts? This stands for material at site account. This is a suspense head of account that is maintained to watch actual consumption of materials
Water Or Hydraulic Horsepower (whp) The work performed by a pump is a function of the head added by the pump (h A ), the flow rate required (Q) and the mass of the fluid (accou
Define in brief about the term - Concrete Concrete is reinforced with steel bars in structural components so that the tensile stresses are taken up by the reinforcement. These
Question What is the sucker deck principle for changeable depth bridge decks ? Answer For a variable depth bridge deck, depth of continuous multi-span bridge deck is greate
Ground Water Levels The location of the ground water level is essential for deep excavation, water-logged areas. The existing wells in the nearby vicinity of the proposed site
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